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/**
 * Copyright 2015 Santhosh Kumar Tekuri
 *
 * The JLibs authors license this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package jlibs.xml.dom;

import jlibs.core.graph.sequences.AbstractSequence;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * @author Santhosh Kumar T
 */
public class NodeListSequence extends AbstractSequence{
    private NodeList nodeList;

    public NodeListSequence(NodeList nodeList){
        this.nodeList = nodeList;
        _reset();
    }


    /*-------------------------------------------------[ Advancing ]---------------------------------------------------*/
    private int i;

    @Override
    protected Node findNext(){
        return nodeList.item(++i);
    }

    /*-------------------------------------------------[ Reuse ]---------------------------------------------------*/

    @Override
    public void reset(){
        super.reset();
        _reset();
    }

    private void _reset(){
        i = -1;
    }

    @Override
    public NodeListSequence copy(){
        return new NodeListSequence(nodeList);
    }
}